if_fxp_cardbus.c revision 1.21.4.1
1 /* $NetBSD: if_fxp_cardbus.c,v 1.21.4.1 2006/09/09 02:49:44 rpaulo Exp $ */ 2 3 /* 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Johan Danielsson. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * CardBus front-end for the Intel i82557 family of Ethernet chips. 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: if_fxp_cardbus.c,v 1.21.4.1 2006/09/09 02:49:44 rpaulo Exp $"); 45 46 #include "opt_inet.h" 47 #include "bpfilter.h" 48 #include "rnd.h" 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/device.h> 59 60 #if NRND > 0 61 #include <sys/rnd.h> 62 #endif 63 64 #include <net/if.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 #include <net/if_ether.h> 68 69 #include <machine/endian.h> 70 71 #if NBPFILTER > 0 72 #include <net/bpf.h> 73 #endif 74 75 #ifdef INET 76 #include <netinet/in.h> 77 #include <netinet/if_inarp.h> 78 #endif 79 80 81 #include <machine/bus.h> 82 #include <machine/intr.h> 83 84 #include <dev/mii/miivar.h> 85 86 #include <dev/ic/i82557reg.h> 87 #include <dev/ic/i82557var.h> 88 89 #include <dev/pci/pcivar.h> 90 #include <dev/pci/pcireg.h> 91 #include <dev/pci/pcidevs.h> 92 93 #include <dev/cardbus/cardbusvar.h> 94 #include <dev/pci/pcidevs.h> 95 96 static int fxp_cardbus_match(struct device *, struct cfdata *, void *); 97 static void fxp_cardbus_attach(struct device *, struct device *, void *); 98 static int fxp_cardbus_detach(struct device * self, int flags); 99 static void fxp_cardbus_setup(struct fxp_softc * sc); 100 static int fxp_cardbus_enable(struct fxp_softc * sc); 101 static void fxp_cardbus_disable(struct fxp_softc * sc); 102 103 struct fxp_cardbus_softc { 104 struct fxp_softc sc; 105 cardbus_devfunc_t ct; 106 pcireg_t base0_reg; 107 pcireg_t base1_reg; 108 bus_size_t size; 109 }; 110 111 CFATTACH_DECL(fxp_cardbus, sizeof(struct fxp_cardbus_softc), 112 fxp_cardbus_match, fxp_cardbus_attach, fxp_cardbus_detach, fxp_activate); 113 114 #ifdef CBB_DEBUG 115 #define DPRINTF(X) printf X 116 #else 117 #define DPRINTF(X) 118 #endif 119 120 static int 121 fxp_cardbus_match(parent, match, aux) 122 struct device *parent; 123 struct cfdata *match; 124 void *aux; 125 { 126 struct cardbus_attach_args *ca = aux; 127 128 if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_INTEL && 129 CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_INTEL_82557) 130 return (1); 131 132 return (0); 133 } 134 135 static void 136 fxp_cardbus_attach(parent, self, aux) 137 struct device *parent, *self; 138 void *aux; 139 { 140 static const char thisfunc[] = "fxp_cardbus_attach"; 141 142 struct fxp_softc *sc = device_private(self); 143 struct fxp_cardbus_softc *csc = device_private(self); 144 struct cardbus_attach_args *ca = aux; 145 bus_space_tag_t iot, memt; 146 bus_space_handle_t ioh, memh; 147 148 bus_addr_t adr; 149 bus_size_t size; 150 151 csc->ct = ca->ca_ct; 152 153 /* 154 * Map control/status registers. 155 */ 156 if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG, 157 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) { 158 csc->base1_reg = adr | 1; 159 sc->sc_st = iot; 160 sc->sc_sh = ioh; 161 csc->size = size; 162 } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG, 163 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 164 0, &memt, &memh, &adr, &size) == 0) { 165 csc->base0_reg = adr; 166 sc->sc_st = memt; 167 sc->sc_sh = memh; 168 csc->size = size; 169 } else 170 panic("%s: failed to allocate mem and io space", thisfunc); 171 172 173 if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1]) 174 printf(": %s %s\n", ca->ca_cis.cis1_info[0], 175 ca->ca_cis.cis1_info[1]); 176 else 177 printf("\n"); 178 179 sc->sc_dmat = ca->ca_dmat; 180 sc->sc_enable = fxp_cardbus_enable; 181 sc->sc_disable = fxp_cardbus_disable; 182 sc->sc_enabled = 0; 183 184 fxp_enable(sc); 185 fxp_attach(sc); 186 fxp_disable(sc); 187 } 188 189 static void 190 fxp_cardbus_setup(struct fxp_softc * sc) 191 { 192 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 193 struct cardbus_softc *psc = 194 (struct cardbus_softc *) device_parent(&sc->sc_dev); 195 cardbus_chipset_tag_t cc = psc->sc_cc; 196 cardbus_function_tag_t cf = psc->sc_cf; 197 pcireg_t command; 198 199 cardbustag_t tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus, 200 csc->ct->ct_func); 201 202 command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG); 203 if (csc->base0_reg) { 204 Cardbus_conf_write(csc->ct, tag, 205 CARDBUS_BASE0_REG, csc->base0_reg); 206 (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE); 207 command |= CARDBUS_COMMAND_MEM_ENABLE | 208 CARDBUS_COMMAND_MASTER_ENABLE; 209 } else if (csc->base1_reg) { 210 Cardbus_conf_write(csc->ct, tag, 211 CARDBUS_BASE1_REG, csc->base1_reg); 212 (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE); 213 command |= (CARDBUS_COMMAND_IO_ENABLE | 214 CARDBUS_COMMAND_MASTER_ENABLE); 215 } 216 217 (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE); 218 219 /* enable the card */ 220 Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command); 221 } 222 223 static int 224 fxp_cardbus_enable(struct fxp_softc * sc) 225 { 226 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 227 struct cardbus_softc *psc = 228 (struct cardbus_softc *) device_parent(&sc->sc_dev); 229 cardbus_chipset_tag_t cc = psc->sc_cc; 230 cardbus_function_tag_t cf = psc->sc_cf; 231 232 Cardbus_function_enable(csc->ct); 233 234 fxp_cardbus_setup(sc); 235 236 /* Map and establish the interrupt. */ 237 238 sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET, 239 fxp_intr, sc); 240 if (NULL == sc->sc_ih) { 241 printf("%s: couldn't establish interrupt\n", 242 sc->sc_dev.dv_xname); 243 return 1; 244 } 245 246 printf("%s: interrupting at %d\n", sc->sc_dev.dv_xname, 247 psc->sc_intrline); 248 249 return 0; 250 } 251 252 static void 253 fxp_cardbus_disable(struct fxp_softc * sc) 254 { 255 struct cardbus_softc *psc = 256 (struct cardbus_softc *) device_parent(&sc->sc_dev); 257 cardbus_chipset_tag_t cc = psc->sc_cc; 258 cardbus_function_tag_t cf = psc->sc_cf; 259 260 /* Remove interrupt handler. */ 261 cardbus_intr_disestablish(cc, cf, sc->sc_ih); 262 263 Cardbus_function_disable(((struct fxp_cardbus_softc *) sc)->ct); 264 } 265 266 static int 267 fxp_cardbus_detach(self, flags) 268 struct device *self; 269 int flags; 270 { 271 struct fxp_softc *sc = device_private(self); 272 struct fxp_cardbus_softc *csc = device_private(self); 273 struct cardbus_devfunc *ct = csc->ct; 274 int rv, reg; 275 276 #ifdef DIAGNOSTIC 277 if (ct == NULL) 278 panic("%s: data structure lacks", sc->sc_dev.dv_xname); 279 #endif 280 281 rv = fxp_detach(sc); 282 if (rv == 0) { 283 /* 284 * Unhook the interrupt handler. 285 */ 286 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); 287 288 /* 289 * release bus space and close window 290 */ 291 if (csc->base0_reg) 292 reg = CARDBUS_BASE0_REG; 293 else 294 reg = CARDBUS_BASE1_REG; 295 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size); 296 } 297 return (rv); 298 } 299
Indexes created Thu Oct 23 22:10:10 GMT 2025